Question 48
Find all nonnegative integers $m$ such that
$$
a_{m} = \left(2^{2m+1}\right)^{2} + 1
$$
is divisible by at most two different primes.
$$
a_{m} = \left(2^{2m+1}\right)^{2} + 1
$$
is divisible by at most two different primes.
MathNet 2002 — Part 01 Question 48
Math Olympiad Vault · MathNet 2002 — Part 01